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1、第六章实数(2)一、选择题(每小题3 分,共 30 分)1.下列各式中无意义的是()A.61B.21-)(C.12aD.222xx2.在下列说法中:10 的平方根是 10;-2 是 4 的一个平方根;94的平方根是32的算术平方根是;24aa,其中正确的有()个个个个2.下列说法中正确的是()A.立方根是它本身的数只有1 和 0 B.算数平方根是它本身的数只有1 和 0C.平方根是它本身的数只有1 和 0 D.绝对值是它本身的数只有1 和 04.641的立方根是()A.21B.41C.41D.215.现有四个无理数5,6,7,8,其中在实数2+1 与3+1 之间的有()个个个个6.实数7-,-
2、2,-3 的大小关系是()A.237B.273C.372D.7237.已知351.1=,31.15=,3151.0=5,则31510的值是()若33)2(,2,3cba,则cba,的大小关系是()A.cbaB.bacC.cabD.abc9.已知x是 169 的平方根,且232xyx,则y的值是()B.11 C.15 或314310.大于52且小于23的整数有()个个C.7 个个二、填空题(每小题3 分,共 30 分)11.3-绝对值是,3-的相反数是.12.81的平方根是,364的平方根是,-343 的立方根是,精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 1 页,共 4
3、页256的平方根是.13.比较大小:(1)10;(2)332;(3)101101;(4)22.14.当时,3345223xxx有意义。15.已知212ba=0,则ab=.16.最大的负整数是,最小的正整数是,绝对值最小的实数是,不超过380的最大整数是.17.已知,3,312ba且0ab,则ba的值为。18.已知一个正数x的两个平方根是1a和3a,则a=,x=.19.设a是大于 1 的实数,若312,32,aaa在数轴上对应的点分别记作A、B、C,则 A、B、C三点在数轴上从左至右的顺序是.20.若无理数m满足 14m,请写出两个符合条件的无理数.三、解答题(共40 分)21.(8 分)计算:
4、(1)(25.08;(2)4002254;(3)32333111)()(;(4)33332734312512581;22.(12 分)求下列各式中的x的值:(1)9-242x;(2)25122x;(3)375433x;(4)08123x;23.(6 分)已知实数a、b、c在数轴上的对应点如图所示,化简:cbacbaa0cba精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 2 页,共 4 页文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z
5、3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D
6、4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z
7、3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D
8、4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z
9、3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D
10、4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z
11、3 HM7L9L9R3V4 ZN5S3D4X6J724.(7 分)若a、b、c是有理数,且满足等式332232cba,试计算20112010bca的值。25.(7 分)观察:52252458522,即52252-21033103910271033,即10331033猜想2655等于什么,并通过计算验证你的猜想.精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 3 页,共 4 页文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9
12、L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档
13、编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9
14、L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档
15、编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9
16、L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档
17、编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9
18、L9R3V4 ZN5S3D4X6J7参考答案;11.3,3;12.3,2,-7,4;13.,;x23;,1,0,-5;17.310;,4;CA;20.3,2;,-3,-1,-3;22.21或27,3 或者 2,-1,-21;a;262552655精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 4 页,共 4 页文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z
19、3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D
20、4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z
21、3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D
22、4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z
23、3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7文档编码:CW7C3A9L1Z3 HM7L9L9R3V4 ZN5S3D4X6J7
限制150内